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// QuantInfra C# strategy API · same code in backtest and live
public class MoMacdExample : AbstractSingleBarHostedStrategy<MoMacdNewParams>
{
    protected override void CalculateVector(string barQualifier, StrategyCalculationContext context)
    {
        double? threshold = Params.Threshold * _close.GetValue(BarStorage[1]);

        bool isSignalShort = _emaFast.GetValue(BarStorage[1]) > _emaSlow.GetValue(BarStorage[1]);
        isSignalShort &= _emaFast.GetValue(CurrentBar) < _emaSlow.GetValue(CurrentBar);
        isSignalShort &= _acceleration.GetValue(CurrentBar) < threshold;

        bool isSignalLong = _emaFast.GetValue(BarStorage[1]) < _emaSlow.GetValue(BarStorage[1]);
        isSignalLong &= _emaFast.GetValue(CurrentBar) > _emaSlow.GetValue(CurrentBar);
        isSignalLong &= _acceleration.GetValue(CurrentBar) > threshold;

        if (!context.AccountState.Positions.Any())
        {
            var tradeVolume = GetVolume(context.AccountState.Investment);
            if (isSignalLong) OpenPosition(tradeVolume);
            else if (isSignalShort) OpenPosition(-tradeVolume);
        }
        else if (isSignalLong || isSignalShort) ClosePosition();
    }
}